Interferences/Occlusal Issues

  1. Interferences are contact of teeth by sides of cusps that interfere w/ cusp/fossa contact
  2. Interferences activate more muscle activity to try to avoid them
  3. Interferences are not powerful enough by themselves to cause much muscle/joint damage
  4. Grinding/clenching is power behind damage attributed to an interference
  5. Disclusion of posterior teeth by anterior guidance reduces activity of Temporalis & Masseter, 1983 J Pros
  1. Interferences are contact of teeth by sides of cusps that interfere w/ cusp/fossa contact
  2. Interferences activate more muscle activity to try to avoid them
  3. Interferences are not powerful enough by themselves to cause much muscle/joint damage
  4. Grinding/clenching is power behind damage attributed to an interference
  5. Disclusion of posterior teeth by anterior guidance reduces activity of Temporalis & Masseter, 1983 J Pros

Pearls of Pain

Open Lock (Stuck wide open)
Statistics: 6% population has anterior slope to eminence 2% pop have displaced disc Subluxation: a) Ball of joint comes out past socket, b) Gets stuck in front eminence c) Tears Lateral Ligament d) Tears more if Force closure
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